CB_SOCKET_EVENT
cb_writel(socket, CB_SOCKET_EVENT, -1);
cb_writel(socket, CB_SOCKET_EVENT, -1);
cb_writel(socket, CB_SOCKET_EVENT, -1);
cb_event = cb_readl(socket, CB_SOCKET_EVENT);
cb_writel(socket, CB_SOCKET_EVENT, cb_event);
cb_writel(socket, CB_SOCKET_EVENT, -1);
cb_writel(socket, CB_SOCKET_EVENT, -1);
cb_event = cb_readl(socket, CB_SOCKET_EVENT);
cb_writel(socket, CB_SOCKET_EVENT, -1);